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Abstract Detail

Mycological Section

Jang, Yeongseon [1], Jang, Seokyoon [2], Lee, Jaejung [1], Lee, Hanbyul [2], Lee, Aslan Hwanhwi [2], Lim, Young Woon [3], Kim, Jae-Jin [2].

Fungal communities in forest soils with an emphasis on potential wood-inhabiting basidiomycetes.

Wood inhabiting basidiomycetes, including wood-decay fungi, saprotrophic fungi, mycorrhizal fungi, and mycoparasitic fungi, constitute a diverse mix of ecological groups that employ a variety of strategies to colonize wood. These fungi primarily colonize wood through the air by the release of spores, although soil-borne spores or mycelia can also colonize wood. In this study, soil fungal diversity, particularly the diversity of potential wood-inhabiting basidiomycetes, in soil samples collected along an elevation gradient in Odaesan National Park in early spring and late summer was assessed using 454 sequencing. A total of 107 potential wood-inhabiting basidiomycetous operational taxonomic units (OTUs) (6.3%) were identified from the 1686 detected fungal OTUs and accounted for 5.1% of the total reads. Between early spring and late summer, the OTU richness and Chao1 of the total soil fungi were significantly different, whereas the species diversity inferred by Shannon and Simpson indices were not significantly different. Conversely, significant differences were not observed in the OTU richness, Chao1, and species diversity of the potential wood-inhabiting basidiomycetes between the two seasons. The total fungal community structure was correlated with elevation, nutrient availability (total carbon and nitrogen), and pH. On the other hand, the structure of the potential wood-inhabiting fungal community was correlated with nutrient availability (total carbon and nitrogen) only. Most of the OTUs have not been previously isolated from wood; thus, they might represent an unaccounted-for diversity of wood-inhabiting basidiomycetes.

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1 - Korea Forest Research Institute, Division of Wood Chemistry & Microbiology, 57 Hoegiro, Dongdaemun-gu, Seoul, Republic of Korea
2 - Korea University, Division of Environmental Science & Ecological Engineering, 145, Anam-ro, Seongbuk-gu, Seoul, 136-713, Republic of Korea
3 - Seoul National University, School of Biological Sciences, Gwanak-ro 1, Gwanak-gu, Seoul, 151-747, Republic of Korea

454 sequencing
ectomycorrhizal fungi
mycoparasitic fungi
saprotrophic fungi
wood decay fungi.

Presentation Type: Poster:Posters for Sections
Session: P
Location: Hall D/The Shaw Conference Centre
Date: Monday, July 27th, 2015
Time: 5:30 PM
Number: PMY044
Abstract ID:398
Candidate for Awards:None

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